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A023527 Least odd prime divisor of p(n)*p(n-1) + 1, or 1 if p(n)*p(n-1) + 1 is a power of 2. +0
1
3, 7, 1, 3, 3, 3, 3, 3, 3, 167, 3, 7, 3, 3, 3, 7, 17, 3, 7, 3, 3, 7, 3, 1, 3, 3, 3, 3, 3, 3, 3, 3, 7, 3, 3, 3, 1, 7, 3, 31, 7, 3, 3, 3, 3, 3, 5, 7, 3, 3, 3, 1, 3, 3, 1, 7, 23, 3, 7, 3, 3, 3, 3, 3, 3, 3, 3, 79, 3, 3, 3, 7, 3, 7, 41, 3, 7, 3, 3, 3 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A003118 A096409 A019631 this_sequence A016664 A071792 A010781

Adjacent sequences: A023524 A023525 A023526 this_sequence A023528 A023529 A023530

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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